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Topic Review (Newest First)
Yesterday 11:15 PM
rapier46 I lie the idea of running lowers in the uppers...hm...


Why are the uppers smaller from factory anyway? It’s that way on everything I know. But why?
Yesterday 10:33 PM
rockyota83 https://www.pirate4x4.com/forum/ford...end-taper.html

gm taper is 7.15 degrees
Yesterday 09:36 PM
old army .45 Trying to add something to the thread.
But it looks like I am wrong with bad info.
Maybe I did run the reamer through my pitman arm.

This thread states it is 1.5 per foot taper....

https://www.powerstrokenation.com/th...-taper.101669/

Im a machinst and I hope I am good enough to realize when tapers arent the same.

Maybe you should go measure one for everyone.
Yesterday 09:26 PM
FORDTECHGURU
Quote:
Originally Posted by old army .45 View Post
I dont know about the knuckles but the 73-87 gm drag link ends fit great in the pitman arm...
not sure if you were replying to me but gm taper is different than ford taper, they don't play well together..
Yesterday 08:41 PM
old army .45 I dont know about the knuckles but the 73-87 gm drag link ends fit great in the pitman arm...
Yesterday 08:24 PM
tbuff02
Quote:
Originally Posted by WTF4233! View Post
I was scrolling through a few wheeling FB groups and say a set of 40 spline 1550 stubs just hit the market. Does anyone know anything about these? The group Rock buggies and East coast rockcrawlers classifields.
Saw that Branik has a forged chromoly 1550 stub. Looked to be offered in 35 or 40 spline and will also do inner shafts.
Yesterday 08:16 PM
FORDTECHGURU Hey guys, thinking of running a batch of tube adapters for ford tie rods 1"-16tpi and jam nuts so you can keep you stock tie rods and fab custom steering linkage. Being able to leave your pitman arm alone and just change your axle end seems to be a plus for alot of people or any other linkage with the currently unsupported 1"-16tpi stuff. A nice tube adapter and jam nut would be $75 retail. Gauging interest, who likes this idea, thanks..
Yesterday 07:59 AM
DZ Fab
Quote:
Originally Posted by 06silverback View Post
When I started producing my kits it was almost a must to build it so the knuckle needed no machining as it was a major turnoff to most people. It’s an upgrade to the smaller stock balljoint and I tested a set prior to doing my kits. I didn’t have any catastrophic failures, just the joints wore from the radial load they encounter. I started thinking up ways to basically make it similar to a double shear setup and been happy ever since.
How is your kit similar to double shear? Maybe I am missing something but it is still very much single shear from what I have seen. What size bolt does your kit utilize?

Not dogging you by the way just curious how you came to that conclusion and how the bolt size of your kit compares to the shank size of a lower BJ. I enjoy seeing different solutions to problems/weak links. Multiple options are always good.
01-22-2020 03:27 PM
Gozuki Dynatrac has been making them for their Pro rock series for a couple of years now, wouldn't take much to make the fit the Ford.
01-22-2020 10:09 AM
WTF4233!
40 spline 1550 4340 stubs

I was scrolling through a few wheeling FB groups and say a set of 40 spline 1550 stubs just hit the market. Does anyone know anything about these? The group Rock buggies and East coast rockcrawlers classifields.
01-18-2020 07:39 PM
Unklhuck
info on Ford Super Duty Dana 60 axle

Donít want to cut weight there and they stop great. Weíve got light brakes on the race cars, but this rig runs watered 42ís, now. (Finally got them) Would be a silly waste of $$$ and counter-productive to cut weight on rotor and brakes, when Iím adding weight right there.

Appreciate the suggestion. Itís just not a good choice for my application. The entire front axle is a boat anchor-Currie F9 rear race housing with .5Ēx3.5Ē tubes and itís been AR plated...
01-17-2020 08:57 AM
redneckengineered
Quote:
Originally Posted by Unklhuck View Post
Yep. I’ve been using four lower BJ’s in my 609’s for four years. First axle is still going strong, after the original 4 lower BJ swap and the second has been running well for 1.75 years without issue. Running water filled 39” Reds and getting ready to swap on some 42” reds.
Shoo buddy you got to ditch those boat anchor brakes. Best thing I ever did. 80lb weight savings.
Contact me for best pricing on MW stuff.

https://www.instagram.com/p/B2kF2PYnjx6/

I don't know what knuckles you are running but we have the brackets for the 250/350 and 450/550.
01-16-2020 07:40 PM
06silverback When I started producing my kits it was almost a must to build it so the knuckle needed no machining as it was a major turnoff to most people. It’s an upgrade to the smaller stock balljoint and I tested a set prior to doing my kits. I didn’t have any catastrophic failures, just the joints wore from the radial load they encounter. I started thinking up ways to basically make it similar to a double shear setup and been happy ever since.
01-16-2020 12:42 PM
DZ Fab
Quote:
Originally Posted by Unklhuck View Post
I’ve run 4 lower XRF BJ’s in my past 2-609’s. They work great and hold up well. This is a pic of my current 609 with 05 SD60 inner C’s and outers.


My old 609, utilized Tera60 inner C’s and Dodge knuckles. Ended up machining custom bolt on Double-sheer arms for it. The Dodge knuckles are already ‘high steer’.

Like where you’re heading. From experience, you’ll like where it ends up.

My old dodge knuckles with lowers up top.
Thanks! I remember seeing your latest axle build. Good stuff.
01-16-2020 12:40 PM
DZ Fab
Quote:
Originally Posted by stan1688 View Post
With all the machining of the knuckles and new spacers, this keeps the knuckle at the same angle as factory, correct? Keeping it good for street use?
Correct.
01-16-2020 11:59 AM
stan1688 With all the machining of the knuckles and new spacers, this keeps the knuckle at the same angle as factory, correct? Keeping it good for street use?
01-16-2020 11:06 AM
Unklhuck
info on Ford Super Duty Dana 60 axle

Quote:
Originally Posted by DZ Fab View Post
Progress. This project is complete. Next up is machining bolt-on high steer arms.

Size comparison of an upper BJ vs a lower BJ for those interested.
Attachment 2959534

Attachment 2959536

Attachment 2959538

Attachment 2959540

Attachment 2959542


Iíve run 4 lower XRF BJís in my past 2-609ís. They work great and hold up well. This is a pic of my current 609 with 05 SD60 inner Cís and outers.


My old 609, utilized Tera60 inner Cís and Dodge knuckles. Ended up machining custom bolt on Double-sheer arms for it. The Dodge knuckles are already Ďhigh steerí.

Like where youíre heading. From experience, youíll like where it ends up.

My old dodge knuckles with lowers up top.
01-16-2020 09:58 AM
DZ Fab Progress. This project is complete. Next up is machining bolt-on high steer arms.

Size comparison of an upper BJ vs a lower BJ for those interested.
Attachment 2959534

Attachment 2959536

Attachment 2959538

Attachment 2959540

Attachment 2959542
01-13-2020 09:54 PM
Unklhuck
info on Ford Super Duty Dana 60 axle

Quote:
Originally Posted by DZ Fab View Post
I think if you hold both in your hand you will see why the lower BJ is stronger than the upper. Everything is larger. The ball, socket, and shank. Thus the reason that the knuckle has to be machined to accept it.


Yep. Iíve been using four lower BJís in my 609ís for four years. First axle is still going strong, after the original 4 lower BJ swap and the second has been running well for 1.75 years without issue. Running water filled 39Ē Reds and getting ready to swap on some 42Ē reds.
01-13-2020 01:03 PM
DZ Fab
Quote:
Originally Posted by LS-YJEEP View Post
A ball joint has a ball and socket. Your using a lower ball joint in the upper. Now they both have lower ball joints. The upper ball now is larger but is the socket any stronger than the stock upper? Same material, so I doubt itís much of an improvement.
I think if you hold both in your hand you will see why the lower BJ is stronger than the upper. Everything is larger. The ball, socket, and shank. Thus the reason that the knuckle has to be machined to accept it.
01-13-2020 12:07 PM
LS-YJEEP A ball joint has a ball and socket. Your using a lower ball joint in the upper. Now they both have lower ball joints. The upper ball now is larger but is the socket any stronger than the stock upper? Same material, so I doubt itís much of an improvement.
01-13-2020 12:00 PM
DZ Fab
Quote:
Originally Posted by LS-YJEEP View Post
^^^ is the socket part of the lower stock ball joint really and stronger that the upper ball joint socket??
Sorry, I don’t fully understand your question. The stock lower ball joint shank is much larger than the shank of the stock upper ball joint by a considerable margin.
01-13-2020 11:37 AM
LS-YJEEP ^^^ is the socket part of the lower stock ball joint really and stronger that the upper ball joint socket??
01-13-2020 11:18 AM
DZ Fab
Quote:
Originally Posted by FORDTECHGURU View Post
We have a cure for bent stock ball joints, EMF billet ball joints. In stock at WeaverFab..
Very nice.

I've been working on the lower BJ in the upper BJ location mod. Here's some photos of progress so far. I'm making new split bushings to accept the lower balljoint which requires a larger tapered hole. Then, all that is needed is to bore out the knuckle to accept the larger balljoint. Should be finished with my prototypes this week.

I like this mod because it uses off the shelf parts and they are strong. The only custom machining required is to bore out the knuckle, and the bushings don't have to be welded in. They just insert like the stock ones so they are easily replaceable.

Knuckle machined, and lower balljoint pressed into upper balljoint location on knuckle.
Attachment 2959166

New bushings prior to machining the tapered hole and machining the split.
Attachment 2959158

Attachment 2959160

Attachment 2959162

Attachment 2959164
01-12-2020 08:47 PM
FORDTECHGURU We have a cure for bent stock ball joints, EMF billet ball joints. In stock at WeaverFab..
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